/*
 * @Author: ZhanXie
 * @Date: 2019-12-04 15:16:21
 * @LastEditors  : ZhanXie
 * @LastEditTime : 2019-12-28 17:46:55
 * @Description: 
 * @FilePath: /node-demo/blog-express/app.js
 */
var createError = require('http-errors');
var express = require('express');
var path = require('path');
var fs = require('fs')
var cookieParser = require('cookie-parser');
var logger = require('morgan');
const session = require('express-session')
const ReidsStore = require('connect-redis')(session)

// var indexRouter = require('./routes/index');
// var usersRouter = require('./routes/users');
const userRouter = require('./routes/user')
const blogRouter = require('./routes/blog')

var app = express();

// view engine setup
app.set('views', path.join(__dirname, 'views'));
app.set('view engine', 'jade');

/**
 * https://github.com/expressjs/morgan
 */
const ENV = process.env.NODE_ENV
if(ENV !== 'production') {
  app.use(logger('dev'));
} else {
  const logFileName = path.join(__dirname, 'logs', 'access.log')
  const writeStream = fs.createWriteStream(logFileName, {
    flags: 'a'
  })
  app.use(logger('combined', {
    stream: writeStream
  }));
}

app.use(express.json());
app.use(express.urlencoded({ extended: false }));
app.use(cookieParser());
// app.use(express.static(path.join(__dirname, 'public')));
const redisClient = require('./db/redis')
const sessionStore = new ReidsStore({
  client: redisClient
})
app.use(session({
  secret: 'crypto', // 密钥
  cookie: {
    // path: '/', // 默认配置
    // httpOnly: true, // 默认配置
    maxAge: 24 * 60 * 60 * 1000 // 1天过期
  },
  store: sessionStore
})) // 每次执行 http 请求就会有一个session的值

app.use('/api/user', userRouter)
app.use('/api/blog', blogRouter)


// 捕获404并转发到错误处理程序
app.use(function (req, res, next) {
  next(createError(404));
});

// error handler
app.use(function (err, req, res, next) {
  // set locals, only providing error in development
  res.locals.message = err.message;
  res.locals.error = req.app.get('env') === 'development' ? err : {};

  // render the error page
  res.status(err.status || 500);
  res.render('error');
});

module.exports = app;
